So despite grub2 acknowledging that the currently running system has
RAID support, provides a hint for the md device, loads the mdraid1x
and other RAID drivers and modules, it for some reason changed to not
automatically starting any RAID devices on boot.
Added "rd.auto" to the linux16 command line and it works now. So frustrating.
How could it work fine for one kernel of the release then all of the
sudden have the default change for another kernel version?!? wtf,
fedora.
I suppose adding "rd.md.uuid=..." may have been enough to prompt it to
start the arrays.
On Sun, Oct 4, 2015 at 1:03 AM, Alex <mysqlstudent@xxxxxxxxx> wrote:
> HI,
>
> I have a fedora22 system that's been working fine for some time, but
> any new kernels fail to boot properly. The system is configured with
> /boot and / on RAID1. The rdsosreport.txt that dracut produces shows
> no indication of md RAID support in /proc/mdstat and no RAID devices
> listed with blkid or in /dev.
>
> I've tried rebuilding the initramfs images manually on the running
> system and it still doesn't include RAID support.
>
> What could be causing grub and/or dracut to not detect the RAID
> devices or include support for them?
>
> I've included my grub2.cfg and fstab, and fdisk output.
>
> Disk /dev/sda: 232.9 GiB, 250059350016 bytes, 488397168 sectors
> Units: sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disklabel type: gpt
> Disk identifier: 76D351F7-9CB4-4F70-A62F-2903227191B3
>
> Device Start End Sectors Size Type
> /dev/sda1 2048 1026047 1024000 500M Linux RAID
> /dev/sda2 1026048 476162047 475136000 226.6G Linux RAID
> /dev/sda3 476162048 484550655 8388608 4G Linux swap
> /dev/sda4 484550656 484552703 2048 1M BIOS boot
>
> Disk /dev/sdb: 232.9 GiB, 250059350016 bytes, 488397168 sectors
> Units: sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disklabel type: gpt
> Disk identifier: 1861B0D0-EA55-418B-B179-B6BB700EEAC7
>
> Device Start End Sectors Size Type
> /dev/sdb1 2048 1026047 1024000 500M Linux RAID
> /dev/sdb2 1026048 476162047 475136000 226.6G Linux RAID
> /dev/sdb3 476162048 484550655 8388608 4G Linux swap
> /dev/sdb4 484550656 484552703 2048 1M BIOS boot
>
> fstab:
> UUID=64ce5a40-bd28-460f-965b-ec43fd1eb2f7 / ext4 defaults
> 1 1
> UUID=96187b22-1ad9-4d44-a35a-89b746e270ee /boot ext4
> defaults 1 2
> /dev/sda3 swap swap
> defaults 0 0
> /dev/sdb3 swap swap
> defaults 0 0
>
> ### BEGIN /etc/grub.d/00_header ###
> insmod raid
> insmod mdraid09
> insmod mdraid1x
> set pager=1
>
> if [ -s $prefix/grubenv ]; then
> load_env
> fi
> if [ "${next_entry}" ] ; then
> set default="${next_entry}"
> set next_entry=
> save_env next_entry
> set boot_once=true
> else
> set default="0"
> fi
>
> if [ x"${feature_menuentry_id}" = xy ]; then
> menuentry_id_option="--id"
> else
> menuentry_id_option=""
> fi
>
> export menuentry_id_option
>
> if [ "${prev_saved_entry}" ]; then
> set saved_entry="${prev_saved_entry}"
> save_env saved_entry
> set prev_saved_entry=
> save_env prev_saved_entry
> set boot_once=true
> fi
>
> function savedefault {
> if [ -z "${boot_once}" ]; then
> saved_entry="${chosen}"
> save_env saved_entry
> fi
> }
>
> function load_video {
> if [ x$feature_all_video_module = xy ]; then
> insmod all_video
> else
> insmod efi_gop
> insmod efi_uga
> insmod ieee1275_fb
> insmod vbe
> insmod vga
> insmod video_bochs
> insmod video_cirrus
> fi
> }
>
> if [ x$feature_default_font_path = xy ] ; then
> font=unicode
> else
> insmod part_gpt
> insmod part_gpt
> insmod diskfilter
> insmod mdraid1x
> insmod ext2
> set root='mduuid/485085777ca70c519fcb92fd471164a4'
> if [ x$feature_platform_search_hint = xy ]; then
> search --no-floppy --fs-uuid --set=root
> --hint='mduuid/485085777ca70c519fcb92fd471164a4'
> 64ce5a40-bd28-460f-965b-ec43fd1eb2f7
> else
> search --no-floppy --fs-uuid --set=root 64ce5a40-bd28-460f-965b-ec43fd1eb2f7
> fi
> font="/usr/share/grub/unicode.pf2"
> fi
>
> if loadfont $font ; then
> set gfxmode=auto
> load_video
> insmod gfxterm
> set locale_dir=$prefix/locale
> set lang=en_US
> insmod gettext
> fi
> terminal_output gfxterm
> if [ x$feature_timeout_style = xy ] ; then
> set timeout_style=menu
> set timeout=5
> # Fallback normal timeout code in case the timeout_style feature is
> # unavailable.
> else
> set timeout=5
> fi
> ### END /etc/grub.d/00_header ###
>
> ### BEGIN /etc/grub.d/10_linux ###
> menuentry 'Fedora 22 (Twenty Two)' --class fedora --class gnu-linux
> --class gnu --class os --unrestricted $menuentry_id_option
> 'gnulinux-simple-64ce5a40-bd28-460f-965b-ec43fd1eb2f7' {
> load_video
> set gfxpayload=keep
> insmod gzio
> insmod part_gpt
> insmod part_gpt
> insmod diskfilter
> insmod mdraid1x
> insmod ext2
> set root='mduuid/7d1bec3121f39ea4c90f78a6083e81e9'
> if [ x$feature_platform_search_hint = xy ]; then
> search --no-floppy --fs-uuid --set=root
> --hint='mduuid/7d1bec3121f39ea4c90f78a6083e81e9'
> 96187b22-1ad9-4d44-a35a-89b746e270ee
> else
> search --no-floppy --fs-uuid --set=root
> 96187b22-1ad9-4d44-a35a-89b746e270ee
> fi
> linux16 /vmlinuz-4.1.8-200.fc22.x86_64
> root=UUID=64ce5a40-bd28-460f-965b-ec43fd1eb2f7 ro
> initrd16 /initramfs-4.1.8-200.fc22.x86_64.img
> }
>
> ### BEGIN /etc/grub.d/40_custom ###
> # This file provides an easy way to add custom menu entries. Simply type the
> # menu entries you want to add after this comment. Be careful not to change
> # the 'exec tail' line above.
> ### END /etc/grub.d/40_custom ###
>
> ### BEGIN /etc/grub.d/41_custom ###
> if [ -f ${config_directory}/custom.cfg ]; then
> source ${config_directory}/custom.cfg
> elif [ -z "${config_directory}" -a -f $prefix/custom.cfg ]; then
> source $prefix/custom.cfg;
> fi
> ### END /etc/grub.d/41_custom ###
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